Rolls-Royce M250-C40B Turboshaft Engine from Mexico
Rolls-Royce M250-C40B is a turboshaft engine exceeding 600 kW, powering civil helicopters like the Bell 407. It qualifies under HTS 8407.10.0040 for new rotary spark-ignition engines over 373 kW intended for civil aircraft.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide thrust horsepower ratings and test data confirming >373 kW; secure end-user certificates for civil rotorcraft; avoid misclassification by specifying non-military variants